Wild Kratts"Googly-Eye: The Night Guru"
The Kratt brothers secretly "borrow" Aviva's half finished night vision goggles to go in search of a mysterious nocturnal creature. But when the unstable goggles stop working, the brothers find themselves taken in by the nocturnal society of the tarsier. As they investigate, the Wild Kratts team discovers that nocturnal creatures only come out at night and learn that eyes help a creature see by collecting the light that comes from objects all around. D

Piano Guy
The program theme is Rock & Roll. Host Scott Houston and guests show viewers how to play Elvis Presley's "Jailhouse Rock," The Beach Boys' "California Girls" as well as a great Boogie Woogie Riff made famous by Jerry Lee Lewis. Featured artists include Dave Powers and Nat Kerr. D

4:00 pm

POV"Ping Pong"
Eight players with 703 years among them compete in the Over 80 World Table Tennis Championships in China's Inner Mongolia. British players Terry, 81, who has been given a week to live, and Les, 91, a weightlifter and poet, are going for the gold. Inge, 89, from Germany, has used table tennis to paddle her way out of dementia.G

National Parks: America's Best Idea"The Empire of Grandeur (1915-1919)"
After failing to stop Hetch Hetchy dam, the conservation movement pushes the federal government to establish one unified agency to oversee the now dozen national parks scattered among agencies. The National Park Service is established in 1916, directed by Stephen Mather, a wealthy businessman and passionate park advocate. He launches a campaign to expand the system and bring more visitors to the parks. His efforts include protecting the Grand Canyon as a national park. Part 3 of 6G

8:00 pm

National Parks: America's Best Idea"Going Home (1920-1933)"
The advent of the automobile allows more people than ever before to visit the parks. Mather embraces the opportunity and works to build more roads in the parks. Enthusiasts like Margaret and Edward Gehrke of Nebraska begin "collecting" parks, visiting as many as they can. In North Carolina a reclusive writer and a Japanese immigrant join forces to launch a campaign to protect the last stands of virgin forest in the Smoky Mountains by establishing it as a park. In Wyoming, John D. Rockefeller Jr. begins quietly buying up land in the Teton Mountain Range and valley, planning to donate it for a park. Part 4 of 6G

10:00 pm

National Parks: America's Best Idea"The Empire of Grandeur (1915-1919)"
After failing to stop Hetch Hetchy dam, the conservation movement pushes the federal government to establish one unified agency to oversee the now dozen national parks scattered among agencies. The National Park Service is established in 1916, directed by Stephen Mather, a wealthy businessman and passionate park advocate. He launches a campaign to expand the system and bring more visitors to the parks. His efforts include protecting the Grand Canyon as a national park. Part 3 of 6G